Humidifier attachment for radiators.



G. w. OLSON & c. F. Knoou. HUMIDIFIER ATTACHMENT FOR BADIATORS.

APPLiCATION FILED MN. 19. 1918.

' Patented Feb. 4, 1919.

1570061: .55 $6M flttww To all whom it Be it known that we, GUsTAr W. OLsoN GUSTAF W. OLSON AND CHARLES F. KR OON F MINNEAPOLIS, MINNESOTA.

HUMIDIFIEJR. erraomunn'r ron nanra'rons.

meat-ea,

may concern:

and CHARLES F. KnooN, citizens of theUnited States, residing at Minneapolis, in the county of Hennepin and State of Minnesota, haveinvented certain new and useful Improvements in Humidifier Attachments for Radiators; and We do hereby declare the following to be a full, clear, and exact depertains to make and use scription of'the invention, such as will enable others skilled in the arttowhich'it apthesamel Our invention has for its object to provide, a simple and eiiicient humidifier for attachment to radiators; andto such ends, the invention consists of the novel construction and combination of parts hereinafter described and defined in the claim.

It is, a [Well known fact that the air in modern homes and inall buildings heated by steam plants and radiators or by hot water systems, for that matter, is very dry I and contains very much less moisture than is required for'the comfort and besthealth of human beings' In fact, tests have shown thatfthe air in cold weather in heated dwellings and buildings is usually found as dry as that in the Sahara Desert. Various devices have been provided for supplying moisture, but so far as {We are aware, they have either been entirely impracticable or have failed to supply anywhere near the required moisture to be efl'ective or. to restore to the air the I amount of moisture that it should have.

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'Uur so-called humidifier is adaptedfor ready application to ordinary radiators and it is so connected to the steam or .water pipes that supply the radiator that the temperature of the water in the humidifying receptacle may be regulated to the extent necessary to positively produce the required evaporation of water into the air.

, The invention in its preferred form is illustrated in the accompanying drawings wherein like characters indicate like parts throughout the several views.

Referring to the drawings,

Figure 1 .is a view in side elevation showing a r adiatoriwith one of our improved humidifiers applied thereto, some parts being broken away; i

Fig. 2 is a. plan View of the parts shown in Fig. 1; and

Fig. 3 is an end elevation ofthe said parts with some portions broken away and some shown in section.

Specification of Letters Patent. Application filed January 19, i eie Serial No.

' is formed with it may be Patented Feb. a, rare. 212,559. i

, The radiator is indicated, as an entirety, by the numerals. The steam pipe which leads to the radiator is indicated by the numeral .5 and the steam the radiator is indicated by the numeral 6. The customary valve 7 is connected to the pipe 5 adjacent to the radiator.

Our attachment comprises a topped water -"of sheet metal.

large open-, containing pan 8, preferably This pan is arranged to rest directly on the upper'portion of the radiator sections, andto hold the samein position,

and for other reasons, we provide a sheet 'metal hood 9 which has a large opening through which the water pan 8 isinserted. This hood 9 is spaced from the top of the radiator sections and at its front edge rojects preferably a little below the top of the radiator sections. At its back, it is formed with a depending deflecting plate 10 that extends against the wall 11 and prevents the upward circulation of currents of air at the top of the radiator, thereby preventing dust from being carried onto the wall by the upiwardly moving currents of hot air. At its ends, the hood 9 is provided with side plates that join with the deflecting plate 10 and cover, portions of the upper outer face of the end sections of the radiator. The hood 9 serves to retard enough of the hot air to greatly assist in heating the Water in the water pan.

A branch steam pipe 12 leads from the live steam supply pipe 5 at a point outward -of the valve 7 thence upward andthrough the water pan and thence downward and is connected to the return pipe 6. That portion of the branch steam pipe 12 that is immersed in the water of the pan 8- insures heating of the water to the proper temperature to produce evaporation, and preferably a manifold bent to increase its radiatingsurface within the pan. On its receiving side, .the branch pipe 12 is provided with a valve 13, by means of which entirely closed or opened to any desired extent for the regulation of the amount of Preferably, the water pan 8 is provided with an open cover plate 14 such as a heavy woven wire screen. This screen or open plate prepipe that leads from steam delivered to said pipe.-

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iii

{and

' into the room.

the pipe 12, and hence, to" be heated steam will be kept constantly be delivered through the water in the pan even when the main steam supply valve 7 to the radiator is closed. This is important, because, as has been found in practice in very -immoderate weather, not only can the proper moisture be supplied to the air, but the so-called humidifier may be used as 'a small heater,

When, for example, the valve 7 is closed and the valve 13 is open, a small amount of sible to cause steam to through pipe 12, and by heating the water in the pan and by the heat radiating from the exposed portion of the pi e 12, a very percept'ble amount of heat wii Even when the valve 7 is open, and the radiator operating toits maximum efliciency, the humidifier operates as an auxiliary heater which increases the total heating capacity of the other radiator. From this last statement, it will follow that for the heating of a single room, a radiator having less sections, diating capacity may beemployed for use in connection with the humidifier than when used without the humidifier. Of course, the

above described arrangement of valves also makes it possible, if found desirable at any time, to cutoff the supply of steam to the humidifier through the branch pipe 12.

flowing supply 1 be radiated or sections of less raof the drawings the In the description tobe heated by steam,

pan 8 holds the hood in position on top of the radiator.

i ,What we'claimis:

The combination with a radiator having and return pipes connected thereto, of a hood seated on and fitted over the upper portion of said radiator, a water containing evaporating pan extended through the up-. per portion of said hood and seated'on said radiator, and a branch pipe connected to i said supply and return pipes and extended through said hood and said pan and the water therein contained, said branch pipe serving totranSmit heat to the water in said pan and serving to hold said pan interlocked to said hood and hence, the said hood positioned on said'radiator. I I

In testimony whereof we aflix our signatures in presence of two witnesses.

- GUS'TAF W. OLSON.

CHARLES F. KROON.

Witnesses: CLARA DnMARnsT Brannon Gr. BAUMANN'. 

